33-^ MAINE AGRICULTURAL EXPERIMENT STATION. I915. 



Page. 



Pond-lilv aphid as a plum pest. . . '15, 306 



Potato aphid '15, 205 



blackleg or blackstem disease. '11, 201 

 diseases, cooperative experi- 

 ments '11, 209 



preventive m.easures '11, 219 



treatment of seed '11, 207 



elimination of blackleg. ..... '11, 226 



fertilizers, method of applica- 

 tion '15, 49 



source of nitrogen '15, 47 



flea beetle '. '13, 37 



bibliography '13, 48 



control '13, 44 



habits and description '13, 40 



history and distribution. . . '13, 38 



host plants '13, 43 



parasites '13, 44 



remedies '13, 47 



test of poisons '13, 45 



infection of healthy seed pieces '11, 222 

 list 01 insects occurring on. . . '13, 51 

 plants, effect of seed disinfec- 

 tion ;il, 225 



scab, common '14, 95 



effect of temperature on 



growth '15, .307 



treatment of seed witn formal- 

 dehyde '11, 224 



Potatoes effect of iron sulphate 



spraying '14, 43 



lollowed by corn, oats and 



grass '15, 63 



potatoes '15, 63 



high ridge vs. modified ridge 



culture ;il, 29 



in rotation experiments '15, 63 



powdery scab '14, 89 



Rhizoctonia disease '14, 193 



ridge \s. level culture '14, 28 



seed disinfection '14, 102 



silver scurf '14, 96 



spraying tops with iron s ul - 



phate '15, 51 



Poultry, artificial hatching and 



rearing • ■ . '11, 124 



breedmg, at Maine station, 



summary '11, 174 



Page. 



Pseudococcus .sp. attacking the 



blueberry '15, 285 



Psila rosae '11, 5 



Psylla annulata '12, 219 



breviata '12, 220 



brevistigmata '12, 222 



cerasi '12, 223 



coryli '12, 223 



fioccosa '11, 11 



galeaformis '11, 12 



gilletti '12, 221 



hartigii '12, 222 



negundinis. '12, 220 



pyricola '11, 11; '12,221 



striata '11, 14 



Psyllidae '11, 10 



notes on '12, 215 



Peteromalus egregius ^12, 457 



puparum '12, 458 



Ptinidae '11, 233 



Ptinus lur '11, 233 



Publications, lists of . . . . . . '11, ix; '14, xi 



Pulvinaria innumerabilis '12, 446 



vitis '12, 446, 448 



Pyrus aphids. '14, 266 



Raphanu.= raphanistrum, control. . '14, 40 

 Recurvaria piceaella. . . . '12, 455; '13, 32 

 Relationship and inbreeding coeffi- 

 cients '14, 288 



Report of treasurer '14, 297 



Reproduction in domestic fowl, 



physiology of '15, 291, 296 



Rhagoletis pomonella '11, 238 



attacking blueberry '14, 293; '15, 252 



description '15, 257 



host plants '15, 260 



life history '15, 252 



methods of control " '15, 265 



natural enemies '15, 263 



Rhizoctonia disease of potatoes.. . '14, 193 



economic importance '14, 213 



field studies '14, 203 



greenhouse experiments. . . . '14, 208 



history '14, 194 



in Maine '14, 197 



preventive measures '14, 215 



scab '14, 97 



solani '14, 193 



constitutional vigor '13, 106 Rhodophora florida '11, 1 



lor egg production '11, 113 



new plan adopted. ........ '11, 175 



recognition of individuality. '13, 104 



selection for fecundity '11, 155 



feed trough '13, 151 



feeding '13, 114 



green food tor '13, 159 



housing '13, 111 



inbreeding '11,135; |13, 108 



keeping, biology of '13, 101 



importance of good stock. . '13, 103 



natural enemies '13, 1.S5 



notes '11, 177 



protective coloration '11, 198 



technical studies. . . '11, 193; '13, 161 



Powdery scab, cause of disease. . . '14, 92 



economic importance '14, 99 



effect upon the host. '14, 93 



history and distribution '14, 89 



preventive measures '14, 100 



Prepotency in breeding fowls '12, 390 



Proanaclinia '11, 264 



Probolaeus singularis '11, 258 



Prociphilus corrugatans '14, 253 



venafuscus '12, 448 



Protective coloration in poultry.. . '11, 198 



Prunus aphids , '14, 258, 262 



Pseudoanthonomus validus, distri- 

 bution '15, 270 



enemies '15, 276 



life history '15, 270 



Rhogas Canadensis '13, 36 



Rhopalosiphum nymphaeae '12, 171 



Rhopalosiphus lactucae '14, 53 



Rhymosia akelyi '11, 312 



oaptiosa _. '11,313 



diffissa '11, 313 



filipes '11, 312 



imitator '11, 312 



infla,ta ^11, 311 



serripes '11, 311 



Rondaniella abbreviata '11, 261 



sororcula '11, 261 



Roosting closets, abandonment of. '11, 185 



Rosa, aphids infesting '14, 268 



Rose aphids '14, 253 



scale '12, 436 



Rosy aphid of the apple '14, 267 



Rotation experiments '15, 63 



treatment and yield '15, 64 



Rubus aphids '14, 269 



Russeting of apples '14, 16 



relation to lime-sulphur '12, 18 



Salicaceae, species affected b y 



aphides '13, 93 



Sackenia arcuata '11, 292 



gibbosa '11, 292 



San Jose scale '12, 434; '11, 237 



Sap beetle.. . '11, 233 



Saperda Candida '11, 7 



obliqua '11, 7 



tridentata '12, 464 



